Differences between include commands and include actions in JSP

We all know that there are two types of include in jsp (the preferred choice for SUN Enterprise Applications ): The former is a command element, and the latter is a behavior element. Where will they be used? How to use them? This should be a

JSP code for online website count statistics

Implement the online website count statistics code for the jsp programImport javax. servlet .*;Import javax. servlet. http .*;Public class SessionCounter implements HttpSessionListener {Private static int activeSessions = 0;Public void

Open a jsp page to query all data by default, call action

  Recently, struts2 is used to locate all the data in the database and display it on the page. However, a button/connection must be used to trigger the action call. I found some methods on the Internet and tried it myself. It is simple and

Jsp coding problems

The biggest headache for JSP development using Tomcat is the Chinese Garbled text. To sum up the reasons for Tomcat Garbled text, you must understand the following:   1. Tomcat generally uses the ISO-8859-1 as the character encoding method by

Struts2 upload/download

JSP page Theme = "simple">UserName: Password: Download .gif UploadAction  Package com. hyl. action; Import java. io. File;Import java. io. FileInputStream;Import java. io. FileOutputStream;Import java. io. IOException;Import java. io.

Jsp js MSCOMM32.OCX webpage transmits serial data

1. Install mscommsetup .exe on the local machine to register the MSCOMM32.OCX control locally.   2. After registration Run the following code to test JSP:   When the JS bullet box is 3, it indicates that the control is successfully

JSP page access user verification

Jsp security issues. When someone else knows the URL of a jsp file, they can skip the login page and directly access the jsp file. This prevents access by external users without permission. This article discusses how users who pass permission

Debug JSP files

Debug jsp (preferred for SUN Enterprise Applications) files In Eclipse, You can debug java files. Sometimes you also need to debug jsp files (preferred for SUN Enterprise applications), but Eclipse does not support them, debugging jsp (preferred for

Use custom tags to return the result set to the jsp page! (Recommended method)

In a web application, if you directly store the result set ResultSet rs in the session or reueest range, It can be passed to jsp (the preferred choice for SUN Enterprise applications) and displayed, However, it should be considered that if a large

JSP User-Defined tag Library

tld

What isIdentifier? Tags are divided into two types,Body mark,No-body mark The heap token is paired..Component of the tag Library 1.Tag Processor: A Java class file 2.Token library descriptor File(TLD): a xml

Complete parsing of JSP and servlet configurations

The most annoying part of my learning about JAVA is the configuration of various development tools. Today I will introduce the configuration of servlet IN THE NEXT jsp (first choice for SUN enterprise-level applications. Use the editplus + tomcat

Notes for connecting Oracle databases and JSP

I used Oracle (large website database platform) 9i and Oracle (large website database platform) 8. For a long time, I used it for jsp (the preferred choice for SUN enterprise-level applications) for your reference only. I. How to deal with large

Detailed description of Application Usage in JSP Programming

Jsp (the preferred choice for SUN enterprise-level applications) has Scope settings in UseBean when calling the Javeabean command. Generally, there are Application session pages and other settings, and page indicates each Page. This is generally

Study on js custom message mechanism (4) Miscellaneous

I have finally finished writing ~~ ^_^: During this period, I gave my colleagues a training course and wrote it once. The advantage of speaking it once again is that I have deepened my understanding of messages, events, and observer patterns.   For

Struts2 integrates Spring from xml to Annotation

Struts and spring integration first need to automatically assemble the ApplicationContext configuration information when the Web container is started. You can imagine that the corresponding configuration should be made in web. xml:[Html]

Configure the JSP development environment on Eclipse 3.0

First, let's talk about environment configuration. Note that the environment I configured is under win 2000 server, not linux. The general configuration process is irrelevant to the operating system, there is only a difference in the specific

How does JSP save the last logon time of a user?

The Code is based on the access (favorite of a small website) library, for example, the date object uses java. SQL. date () type, Because java. util. date type is not allowed to be added to the DateTime type field: Author: tao Source: http://www.tot.

How to export JSP data to EXCEL

Try to generate an excel file directly from the web page. Although it is not directly from SQL to excel, it is more convenient and user-friendly .. I found a lot of information on the Internet and found a piece of javascript function implementation

Use a JSP file to generate a website Verification Code

Random. jsp (preferred for SUN Enterprise Applications) file code:RandomStringUtils rs = new RandomStringUtils ();String random = rs. randomAlphanumeric (4 );Session. setAttribute ("random", random );%> Out. clear ();Response. setContentType ("image/

Create your first custom jsp tag (jsp tag) 2

Tld is a simple xml file that provides detailed jsp (the preferred choice for SUN Enterprise Applications) tag Information (standardization is getting closer and closer). It creates a new DemoTags. tld is saved in the/WEB-INF/tlds file, code: 1.0

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